PAC Database - Detailed Chemical Data

Chemical Identity
Chemical CAS# UN# Health Code Numbers
Perchloric acid 7601-90-3 1873
18.00
14.01
4.01
11.01
14.02
4.08
4.05
11.00
4.09
4.10
Formula Synonyms
ClHO4 PERCHLORIC ACID, WITH NOT MORE THAN 50% ACID, PERCHLORIC ACID, WITH MORE THAN 50% BUT NOT MORE THAN 72% ACID, ACIDE PERCHLORIQUE, CONTENANT AU PLUS 50% D^ACIDE (DOT FRENC, ACIDO PERCLÓRICO, CON NO MÁS DEL 50% DE ÁCIDO (DOT SPANISH)
Physical Properties
Mol Wt State MP (°C) BP (°C) VP (Hg) VP (°C) SG LEL (ppm)
100.46 L -112 1.77
PAC Values
PAC Values (Original Units: ppm)
PAC-1 PAC-2 PAC-3
0.61 6.7 40
Converted PAC Values (mg/m3)
PAC-1 PAC-2 PAC-3
2.5 28 160
Technical Basis
No technical basis available
References
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PAC values marked with a subscript "A" correspond to 60-minute AEGL values.
PAC values marked with a subscript "E" correspond to ERPG values.
PAC values marked by * are >= 10% lower explosive limit (LEL) but < 50% LEL.
PAC values marked by ** are > 50% LEL but < 100% LEL.
PAC values marked by *** are >= LEL.